Var a1,a2,a3,a4,a5,a6,a7,a8,k:integer;
begin
k:=0;
read (a1,a2,a3,a4,a5,a6,a7,a8);
if (a1>0) and (a2>0) and (a3>0) and (a4>0) and (a5>0) and (a6>0) and (a7>0) and (a8>0) then
begin
if (a1 mod 3 = 0) and (a1 mod 10 = 4) then k:=k+1;
if (a2 mod 3 = 0) and (a2 mod 10 = 4) then k:=k+1;
if (a3 mod 3 = 0) and (a3 mod 10 = 4) then k:=k+1;
if (a4 mod 3 = 0) and (a4 mod 10 = 4) then k:=k+1;
if (a5 mod 3 = 0) and (a5 mod 10 = 4) then k:=k+1;
if (a6 mod 3 = 0) and (a6 mod 10 = 4) then k:=k+1;
if (a7 mod 3 = 0) and (a7 mod 10 = 4) then k:=k+1;
if (a8 mod 3 = 0) and (a8 mod 10 = 4) then k:=k+1;
writeln (k);
end else
writeln ('Неверный ввод');
end.